|  |  |  |  |  |
| --- | --- | --- | --- | --- |
|  |  |  |  |  |
| If to Lessee: |    | Blackstone Management Partners IV, L.L.C. |
|  |    | 345 Park Avenue |
|  |    | New York, NY 10154 |
|  |    | Attn: John A. Magliano |
|  |    | Telephone: (212) 583-5794 |
|  |    | Facsimile: (212) 583-5692 |

 or at such other address as either Party may designate in writing. Any notice hereunder shall be effective upon delivery.


 6.6. Entire Agreement. This Agreement constitutes the final, complete, and exclusive statement of the terms of the
agreement between the Parties pertaining to the subject matter of this agreement and supersede all prior and contemporaneous understandings of the Parties. 

 6.7. Severability. If any provision of this Agreement is found to be prohibited or unenforceable in any jurisdiction, such provision shall, as to such jurisdiction, be ineffective to the extent of
such prohibition or unenforceability without invalidating the remaining provisions hereof. Any such prohibition or unenforceability in one jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction. To the
extent permitted by applicable law, each Party hereto hereby waives any provision of law that renders any provision hereof prohibited or unenforceable in any respect. 

 6.8. Amendments and Modifications. The terms of this Agreement shall not be waived, varied, contradicted, explained, amended or changed in any other manner except by an instrument in writing,
executed by both Parties.